PacwageoDepends what you're doing with it. If you're throwing it in a backpack or something along those lines, any of these should be fine. If you're carrying your board in your hands and are prone to dropping them, you might want the a Pelican case.
EDIT: http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=vortex+pok3r+sleeve&rh=i%3Aaps%2Ck%3Avortex+pok3r+sleeve